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Comparing to NULL
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De
23/07/2007 23:27:17
Walter Meester
HoogkarspelPays-Bas
 
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Versions des environnements
Visual FoxPro:
VFP 9 SP1
Divers
Thread ID:
01243011
Message ID:
01243072
Vues:
27
>>
>>Then wouldn't just a simple IF (VARTYPE(OLDVAL(FIELD(i))<>VARTYPE(EVALUATE(FIELD(i))) be sufficient, or do you need to know when character (or other type) value changes, too?
>
>No, this would not work for me. The comparison should work on many different fields. Some fields will change the value but the type will be still be the same. The above expression will not pick up those cases.

Any reason you cannot use the GETFLDSTATE() function ?

Walter,
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